#include <iostream>

using namespace std;

int main() {
    char name[50];

    cout << "请输入您的名称：";
    cin >> name;
    cout << "您的名称是：" << name << endl;

    char str[] = "Unable to read ...";
    cerr << "Error message :" << str << endl;

    char str1[] =  "able to log read...";
    clog << "Log message :" << str1 << endl;
}